stealc | b3e2fe43f3024cc479415e745cd9826752debe4e8b208e5e5b7cc510723b787d

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 16:55

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General

Target
file.exe
Size 2.8MB
Sample240820-ve4pxaxblm
SHA256 b3e2fe43f3024cc479415e745cd9826752debe4e8b208e5e5b7cc510723b787d
MD5 2bd4145da31909b2dc0d423a626224a7
SHA1 d9427ef6a480a7bf215c6a8c66f62ed381f46ce3
SHA512 2e7791925e1d47971ae6bfc3e7615fa3763dd0ddd53bbc01221a925d8e1fb8afaf2bbec8ae2a16a0de1aca0006adf849c4f6a91f525b49a1acd676485a7253d4
SSDEEP 49152:SduoyX7+W4BDj/pPVWUzEMp5Es883PACkRKJzAvfiOc/NLHG5ZiKfOQUO:SduoyXwBl8JIlqKJzbOcFC5ZKQUO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc cry discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

http://193.176.190.41

Attributes

url_path
/2fa883eebd632382.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2176	2444	file.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	2176	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2444 wrote to memory of 2176	2444	file.exe	28
PID 2176 wrote to memory of 2364	2176	MSBuild.exe	29
PID 2176 wrote to memory of 2364	2176	MSBuild.exe	29
PID 2176 wrote to memory of 2364	2176	MSBuild.exe	29
PID 2176 wrote to memory of 2364	2176	MSBuild.exe	29

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 44
    3⤵
    - Program crash
    PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2176-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2176-15-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2176-13-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2176-10-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2176-8-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2176-6-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2176-5-0x0000000000400000-0x0000000000643000-memory.dmp

Download

memory/2176-4-0x0000000000400000-0x0000000000643000-memory.dmp

Download

memory/2444-0-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Download

memory/2444-1-0x0000000000BB0000-0x0000000000E80000-memory.dmp

Download

memory/2444-2-0x0000000005020000-0x00000000051AC000-memory.dmp

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memory/2444-3-0x0000000000350000-0x0000000000372000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads